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  • The laminations are being supplied through CRNO 0.5mm Thick, Electrical steel grade. Insulated on both sides from
  • Indigenous as well as imported material.
  • T.P. means Three Phase
  • Strips as per Customers specification can also be supplied
  • Supplies can be made from CRNGO 0.35 mm thick imported electrical steel grade on specific request.
  • See reference figure given below for above sizes
  • S-represents specially developed sizes as per the prevailing conditions in present day market.
  • 100 is available in 3 phase only.
  • * Available with and without hole.

 
 
SPECIFICATION CHART-STANDARD SIZES OF TRANSFORMER LAMINATION (E&I) LAMINATION DIMENSION (m.m)/(INCHES)
TYPE NO. UNIT A B C D E F G HOLES
No. Dia Distance
80 MM 4.80 19.10 15.90 2.40 2.40 11.10 4.80      
INCH 0.189 0.752 0.626 0.094 0.094 0.437 0.189
32 MM 6.40 25.40 19.10 3.20 3.20 12.70 6.40      
INCH 0.252 1.000 0.752 0.126 0.126 0.500 0.252
17 MM 12.70 38.10 31.80 6.40 6.40 19.10 6.40      
INCH 0.500 1.500 1.252 0.252 0.252 0.752 0.252
INT41/ 17SPL MM 13.00 41.00 33.00 6.00 6.00 21.00 8.00      
INCH 0.512 1.614 1.299 0.236 0.236 0.827 0.315
12 MM 15.90 47.60 39.70 7.90 7.90 23.80 7.90      
INCH 0.626 1.874 1.563 0.311 0.311 0.937 0.311
74 MM 17.50 52.40 43.70 8.70 8.70 26.20 8.70      
INCH 0.689 2.063 1.720 0.343 0.343 1.031 0.343
23 MM 19.10 57.20 47.60 9.50 9.50 28.60 9.50      
INCH 0.752 2.252 1.874 0.374 0.374 1.126 0.374
30 * MM 20.00 60.00 50.00 10.00 10.00 30.00 10.00 4 4.1 50
INCH 0.787 2.362 1.969 0.394 0.394 1.181 0.394
45 * MM 22.20 66.70 55.60 11.10 11.10 33.30 11.10      
INCH 0.874 2.626 2.189 0.437 0.437 1.311 0.437
15 * MM 25.40 76.50 63.50 12.70 12.70 38.10 12.70 4 5.5 63.5
INCH 1.000 3.012 2.500 0.500 0.500 1.500 0.500
33 * MM 28.00 84.00 70.00 14.00 14.00 42.00 14.00 4 5.5 70
INCH 1.102 3.307 2.756 0.551 0.551 1.654 0.551
3 MM 31.80 95.30 79.40 15.90 15.90 47.60 15.90 4 6 79.3
INCH 1.252 3.752 3.126 0.626 0.626 1.874 0.626
16 or 4 MM 38.10 114.30 95.30 19.10 19.10 57.20 19.10 4 6 95
INCH 1.500 4.500 3.752 0.752 0.752 2.252 0.752
5 MM 38.00 120.70 95.30 19.10 19.10 57.90 22.20 4 6.2 101.8
INCH 1.496 4.752 3.752 0.752 0.752 2.280 0.874
6 MM 38.10 127.00 114.30 19.10 19.10 76.20 25.40 4 6.2 107.4
INCH 1.500 5.000 4.500 0.752 0.752 3.000 1.000
INT-120 MM 40.00 120.00 100.00 20.00 20.00 60.00 20.00 4 5.5 100
INCH 1.575 4.724 3.937 0.787 0.787 2.362 0.787
43 or 7 MM 50.80 152.40 127.00 25.40 25.40 76.20 25.40 4 7 127
INCH 2.000 6.000 5.000 1.000 1.000 3.000 1.000
8 MM 50.80 184.50 171.50 25.40 25.40 120.70 41.30 4 9 159.5
INCH 2.000 7.264 6.752 1.000 1.000 4.752 1.626
8-B MM 76.20 235.00 196.90 38.10 38.10 120.70 41.30 4 10 197
INCH 3.000 9.252 7.752 1.500 1.500 4.752 1.626
S-10 MM 63.50 190.50 158.70 31.70 31.70 95.20 31.70 4 10 159
INCH 2.500 7.500 6.248 1.248 1.248 3.748 1.248
S-9 MM 76.20 228.60 190.50 38.10 38.10 114.30 38.10 4 13 190
INCH 3.000 9.000 7.500 1.500 1.500 4.500 1.500
S-14 MM 88.90 266.50 222.20 44.40 44.40 133.50 44.40 6 13 227.3
INCH 3.500 10.492 8.748 1.748 1.748 5.256 1.748
S-6 MM 44.50 133.50 111.40 22.50 22.50 66.50 22.50 4 6.2 111.5
INCH 1.752 5.256 4.386 0.886 0.886 2.618 0.886
43(T.P) MM 25.40 152.40 127.00 25.40 25.40 76.20 38.10 4 7 127
INCH 1.000 6.000 5.000 1.000 1.000 3.000 1.500
8B(T.P) MM 38.10 235.00 196.90 38.10 38.10 120.70 60.30 4 10 197
INCH 1.500 9.252 7.752 1.500 1.500 4.752 2.374
100 MM 101.60 355.60 254.00 50.80 50.80 152.40 76.20 6 13  
INCH 4.000 14.000 10.000 2.000 2.000 6.000 3.000

 








 
Product Range
Customised Power / Main Transformers Ferrite Transformers / Inductors Toroidal Transformers AC/DC Adapters
Input Devices Multimedia Speaker UPS Lamination

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